Respuesta:
x = 30°
Explicación paso a paso:
120 + 2x + 150 + x = 360°
270 + 3x = 360
3x = 360 - 270
3x = 90
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Verified answer
Respuesta:
x = 30°
Explicación paso a paso:
120 + 2x + 150 + x = 360°
270 + 3x = 360
3x = 360 - 270
3x = 90
x = 30°